It’s encouraging that thoughtful data scientists like Ms. Perlich and Ms. Schutt recognize the limits and shortcomings of the Big Data technology that they are building. Listening to the data is important, they say, but so is experience and intuition. After all, what is intuition at its best but large amounts of data of all kinds filtered through a human brain rather than a math model?

At the M.I.T. conference, Ms. Schutt was asked what makes a good data scientist. Obviously, she replied, the requirements include computer science and math skills, but you also want someone who has a deep, wide-ranging curiosity, is innovative and is guided by experience as well as data.

My Second Book On Student Motivation!

My Second Book On Teaching ELLs

My book, "The ESL/ELL Teacher's Survival Guide: Ready-to-Use Strategies, Tools, and Activities for Teaching English Language Learners of All Levels," (co-authored by Katie Hull Sypnieski) was published in the Summer of 2012